Gage-pin



(No Model.)

7 J. L. GETMAN.

GAGE PIN. No. 437,687. Patented Oct. 7, 1890.

mfnesses Inbenivr UNITED STATES PATENT OFFICE.

JOHN LESTER GETMAN, OF I'IERKIMER, NE\V YORK.

GAG E-PIN.

SPECIFICATION forming part of Letters Patent No. 437,687, dated October '7, 1890.

Application filed November 22, 1888. Serial No. 291,547. (No model.)

To all whom it may concern.-

Be it known that 1, JOHN LESTER GETMAN, of I'Ierkimer, in the county of Herkimer and State of New York, have invented certain new and useful Improvements in Gage-Pins, of which the following is a specification.

My invention relates to gage-pins, and has reference particularly to that class of devices which are attached to or inserted into the tympan-sheets of the printing-press to hold the card or sheet to be printed in proper position to receive the impression.

The object of the invention is to producea cheap, simple, and reliable gage-pin that can be used with the grippers without danger of injury to the form or .to the gage-pins themselves. This result is accomplished by means of the construction shown in the drawings, in which- Figure 1 is a perspective view of my improved gage-pin; Fig. 2, a similar view looking at the rear face of the pin, and Fig. 3 a view showing the pins in use.

A indicates the gage-pin as a whole, comprising a head B and an attaching-pin (J, formed integral with the head, the said gagepin being advisably cut or stamped from a piece of sheet steel or brass and suitably tempered and finished. The head B extends at right angles to the pin 0, so as to prevent the gage-pin as a whole from tipping laterally upon its attaching-pin O. This pin 0 is flat and made pointed at its lower end, and at a distance from the point it is provided with a transverse bend, which tends to prevent the accidental withdrawal of the gage-pin.

D indicates a spring-arm formed integral with the head B and connected with either end thereof, the drawings showing the springarm as connected with the left-hand end of the head by a solid portion E, Figs. 1 and 2. This arm D at its free end, which projects beyond the end of the head B, curves upward slightly from the plane of the head, soas to form a rest or support for the edge of the sheet or card to be printed, as will be understood upon reference to Fig. 3. In the edge of the solid portion E is a notch or recess F, into which fits a tongue G, formed upon a detachable point H, as shown in Figs. 1 and 2, the said point H being adapted to be inserted into or through the tympairsheets after the gage-pin is placed in position to aid in securing the latter in proper position and preventing its shifting.

To further aid in retaining the gage-pin in place,Iwill advisably provide the headB and the corner of the solid portion E with pointed spurs I, which engage the tympan sheets. From this construction it follows that if the grippers strike the spring-arm D it will simply be pressed downward against the tympansheet, and when the grippers recede the arm will return to its normal position. The same action takes place in case any part of the form should strike the arm.

That part of the arm D connected with the solid portion E is in the same plane with the latter and the head B, and consequently it will be impossible for the sheet or card to be printed to fall down between the gage-pin and the tympan-sheeta result that is further insured by the spur or point at the upper corner of the solid connecting portion E.

I am aware that, broadly considered, a gagepin having a spring-arm is not new, and, while not making any broad claim to a spring-arm per $6, I believe that the construction herein shown and described is new with me and possesses advantages over those heretofore devised.

Having thus described my invention, whatI claim is 1. In a gage-pin, the combination, with the laterally-extending head B and pin 0, of the spring-arm D, connected with the head B by a solid portion E, extending in the same gen eral direction with the head and curved outward away from the face of thehead, as shown.

2. In a gage-pin, the combination, with the head B and pin 0, of the spring-arm D inthe same plane with the head throughout a portion of its length, but curved outward away therefrom at its free end.

' 3. In a gage -pin, the combination, with the with socket or recess F,adetachab1eho1ding [0 head B and pin 0, of the spring-arm D, propoint H, provided with a tongue G. jecting from a portion E of the head, and a In Witness whereof I hereunto set my hand spur orrpoint I, projecting rearwardly from in the presence of two Witnesses. 5 the upper corner of the portion E.

4:. In combination with a gage-pin, a detach- JOHN LESTER GETMAN. able holding-point H, arranged and operating Witnesses:

substantially as described. PALMER M. Wqon,

5. Incombination withagage-pin provided JOHN H. DART 

